Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add taivop/marketplace --skill state-assets-registergit clone --depth 1 https://github.com/taivop/marketplaceWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/taivop/marketplace/state-assets-register)<a href="https://agentmods.dev/skills/taivop/marketplace/state-assets-register"><img src="https://agentmods.dev/badge/skills/taivop/marketplace/state-assets-register/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/taivop/marketplace/state-assets-register"><img src="https://agentmods.dev/badge/skills/taivop/marketplace/state-assets-register.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00023 | $0.00404 |
| Opus 5 | $0.00012 | $0.00202 |
| Sonnet 5 | $0.00005 | $0.00081 |
| Haiku 4.5 | $0.00002 | $0.00040 |
Grade A, and why
state-assets-register scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 8d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
State Real Estate Register Open Data
Use this source for state real estate, land, buildings, structures, proceedings, contracts, and real-estate complexes. Use state-ownership-data for state-owned companies and foundations.
Endpoints
Base: https://riigivara.fin.ee/rkvr/api/avaandmed
| Extract | URL suffix | XML root |
|---|---|---|
| Real estate | /KINNISVARAD |
kinnisvarad |
| Land | /MAAD |
maad |
| Buildings | /HOONED |
hooned |
| Structures | /RAJATISED |
rajatised |
| Proceedings | /MENETLUSED |
menetlused |
| Contracts | /LEPINGUD |
lepingud |
| Real-estate complexes | /KINNISVARAYKSUSED |
kinnisvarayksused |
- Schema:
https://riigivara.fin.ee/rkvr/api/avaandmed-xsd - Human index:
https://riigivara.fin.ee/rkvr-frontend/#/aruanded/avaandmed
Workflow
- Download the XSD and only the extracts needed for the question. The files are regenerated nightly.
- Parse XML using the XSD element names; preserve register identifiers and relationship keys so records can be joined across extracts.
- Keep the canonical endpoint, retrieval time, and extract type. Treat the response as XML even though extract endpoints report
text/plain.
Verification
- Each extract returns an attachment named after its lowercase root, such as
kinnisvarad.xml. - The XSD returns
application/xsd+xmland defines the extract structures.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 8d ago First seen · 37 lines · 23 tokens per session scan A 0588fcdc2a80
state-assets-register is a skill published in the GitHub repository taivop/marketplace (17 stars, last pushed 11d ago), licensed MIT. It adds 23 tokens to every session and 404 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-04.
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